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USGS Daily Statistics for Idaho

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 12310100 KOOTENAI RIVER @ TRIBAL HATCHERY NR BONNERS FERRY


Boundary County, Idaho
Hydrologic Unit Code 17010104
Latitude  48°42'19", Longitude 116°22'11" NAD83
Gage datum 1,699.88 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 2002-10-01 -> 2017-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 9,820 6,230 6,580 15,000 20,200 29,200 22,400 14,200 10,900 7,650 6,590 18,500
2 9,330 6,160 6,410 15,000 20,700 30,700 22,000 14,000 10,300 6,990 7,610 21,600
3 9,540 6,430 6,490 15,100 20,800 31,400 21,900 14,000 9,930 6,530 8,180 22,400
4 9,260 6,930 6,550 15,100 20,900 30,800 21,800 13,900 9,570 6,260 8,290 22,000
5 8,950 6,990 6,800 15,200 21,300 30,600 21,500 13,900 9,090 6,110 8,560 22,200
6 8,670 6,740 6,970 15,800 21,800 29,500 20,900 13,900 9,080 6,050 8,850 22,200
7 8,170 7,140 7,260 16,000 22,100 29,000 20,600 13,700 8,830 6,020 9,790 22,600
8 7,990 7,900 7,840 16,600 22,200 29,600 19,900 13,600 8,830 6,050 10,200 23,600
9 7,760 7,910 8,280 17,100 22,300 29,800 19,000 13,500 8,850 6,000 10,800 23,500
10 7,670 7,480 8,770 17,300 22,200 29,600 18,800 13,400 8,860 5,910 11,600 22,900
11 7,860 7,340 8,490 17,300 22,300 30,300 18,800 13,400 8,800 5,810 12,100 22,400
12 8,610 7,340 8,730 17,800 23,300 30,400 18,500 13,400 8,710 5,660 12,900 22,900
13 8,720 7,140 9,530 18,200 23,600 30,200 18,100 13,300 8,630 5,530 13,100 22,800
14 8,480 7,040 9,870 17,900 23,700 30,000 17,900 13,300 8,560 5,580 13,800 23,600
15 8,010 7,310 10,600 18,300 24,200 30,200 17,800 13,200 8,540 5,810 15,000 24,000
16 7,330 7,370 12,500 18,100 26,600 29,900 17,600 13,100 8,480 5,810 15,700 22,800
17 7,390 7,230 12,700 17,700 28,300 29,800 17,500 13,100 8,260 5,770 15,900 22,000
18 7,730 7,040 12,100 17,900 29,100 29,400 17,200 12,900 8,210 5,680 17,300 21,700
19 7,400 7,320 12,700 17,800 29,200 28,400 16,800 12,800 8,160 5,570 18,900 22,000
20 7,290 7,360 12,500 17,600 29,400 28,100 16,200 12,700 8,170 5,590 20,100 22,400
21 7,130 7,280 12,000 18,300 29,400 27,900 16,100 12,700 8,270 5,720 19,800 21,800
22 7,190 7,270 12,300 19,000 30,200 27,400 15,700 12,600 8,290 5,680 18,000 21,300
23 7,070 7,280 12,800 19,800 31,500 26,600 15,300 12,300 8,210 5,620 16,500 20,500
24 7,050 6,900 13,100 20,300 31,400 25,700 15,100 12,200 8,170 5,610 15,500 19,000
25 7,020 6,660 14,400 20,600 31,100 25,100 15,000 12,200 8,180 5,560 15,300 16,500
26 7,050 6,840 14,400 20,500 30,700 25,000 14,700 12,000 8,170 5,550 15,300 15,500
27 7,240 6,730 14,200 20,400 29,900 24,600 14,200 11,800 8,090 5,630 15,100 16,400
28 7,070 6,680 14,200 20,200 29,500 23,900 14,100 11,700 7,940 5,780 15,100 16,700
29 7,020 7,080 14,200 19,800 29,500 23,500 14,100 11,700 7,900 5,730 15,000 15,400
30 6,910   13,800 19,900 29,100 23,300 14,300 11,700 7,840 5,730 15,500 12,900
31 6,510   14,100   28,900   14,400 11,400   6,000   11,000